SELF-OSCILLATING SWITCH CIRCUIT AND A DRIVER CIRCUIT COMPRISING SUCH A SWITCH CIRCUIT - Patent 2145381

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EP 2 145 381 A1

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(43)	Date of publication:
	20.01.2010 Bulletin 2010/03

(21)	Application number: 08737948.3

(22)	Date of filing: 22.04.2008

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International Patent Classification (IPC):

H02M 3/156^(2006.01)

H05B 33/08^(2006.01)

(86)	International application number:
	PCT/IB2008/051543

(87)	International publication number:
	WO 2008/132658 (06.11.2008 Gazette 2008/45)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA MK RS

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Priority:

27.04.2007 EP 07107154

(71)	Applicant: Koninklijke Philips Electronics N.V.
	5621 BA Eindhoven (NL)

(72)	Inventor:
	SNELTEN, Jeroen NL-5656 AE Eindhoven (NL)

(74)	Representative: Bekkers, Joost J.J
	Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)

(54)	SELF-OSCILLATING SWITCH CIRCUIT AND A DRIVER CIRCUIT COMPRISING SUCH A SWITCH CIRCUIT